Cooperstown, New York · field elev 1,260 ft
Density Altitude at Cooperstown-Westville (K23)
Cooperstown-Westville sits at 1,260 ft, and even a typical July afternoon (73 °F) only lifts density altitude to about 2,445 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 18.4 | −1,208 ft | 23.3 | −857 ft |
| February | 20.2 | −1,079 ft | 26.1 | −659 ft |
| March | 28.4 | −497 ft | 34.5 | −72 ft |
| April | 41.0 | 374 ft | 48.1 | 853 ft |
| May | 52.7 | 1,159 ft | 60.4 | 1,664 ft |
| June | 61.3 | 1,722 ft | 68.2 | 2,166 ft |
| July | 65.8 | 2,012 ft | 72.6 | 2,445 ft |
| August | 64.1 | 1,903 ft | 70.8 | 2,331 ft |
| September | 57.0 | 1,442 ft | 63.8 | 1,884 ft |
| October | 45.6 | 686 ft | 51.8 | 1,100 ft |
| November | 34.6 | −65 ft | 39.2 | 251 ft |
| December | 25.0 | −737 ft | 28.9 | −462 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for K23
DENSITY ALTITUDE
Field elevation 1,260 ft — the air behaves like 2,470 ft.
- PRESSURE ALT
- 1,261 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby New York fields
- N66 — Albert S Nader Regional
Oneonta · elev 1,763 ft
- K31 — Sharon
Sharon Springs · elev 1,508 ft
- 6B4 — Frankfort-Highland
Utica/Frankfort · elev 1,325 ft
- KOIC — Lt Warren Eaton
Norwich · elev 1,024 ft
- N23 — Sidney Municipal
Sidney · elev 1,027 ft
- N25 — Blue Heron
Gallupville · elev 1,200 ft
- KVGC — Hamilton Municipal
Hamilton · elev 1,137 ft
- NY0 — Fulton County
Johnstown · elev 881 ft
Frequently asked questions
How high does density altitude get at K23 in summer?
On a typical July afternoon — around 73 °F at the nearest NOAA normals station — density altitude at Cooperstown-Westville reaches roughly 2,445 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at K23 on an average day?
It swings with the seasons: from roughly −1,208 ft at the coldest month's average temperature to about 2,012 ft at the warmest month's — all from a constant field elevation of 1,260 ft. The month-by-month table above carries the full year.
What is the field elevation of Cooperstown-Westville?
1,260 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is K23 (FAA), in Cooperstown, New York.